/* Tabula — a spreadsheet whose columns think. Same family as relay / docent / conduit:
   navy ink, copper accent, Geist + Geist Mono. The difference is the workspace itself, which is
   paper rather than glass, because a grid full of data wants to look like a sheet. */

:root {
  --ink: #151C2C;
  --ink-2: #10162340;
  --graphite: #1F2738;
  --raised: rgba(255, 255, 255, .05);
  --hair: rgba(255, 255, 255, .08);
  --glass: rgba(255, 255, 255, .035);
  --glass-border: rgba(255, 255, 255, .09);
  --glass-border-hover: rgba(255, 255, 255, .18);
  --glass-hi: rgba(255, 255, 255, .06);
  --paper: #F4F1EA;
  --sheet: #FBFAF6;
  --sheet-head: #F0ECE2;
  --paper-ink: #1A1A18;
  --paper-muted: #5E5A52;
  --paper-hair: #DDD8CC;
  --paper-hair-soft: #E8E3D8;
  --copper: #D9884A;
  --copper-text: #F0A868;
  --copper-print: #9A5320;
  --amber: #E0A64B;
  --amber-print: #8A6210;
  --grad: linear-gradient(120deg, #F0A868, #E0A64B);
  --verdigris: #5FB3A1;
  --verdigris-print: #2F7A69;
  --signal: #E5484D;
  --signal-text: #FF6369;
  --signal-print: #B4292E;
  --text: #E8ECF0;
  --muted: #98A2AD;
  --sans: Geist, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --wide: 1320px;
  --gutter: 24px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { background: var(--ink); color-scheme: dark; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 86px; }
body { margin: 0; background: var(--ink); color: var(--text); font: 400 16px/1.55 var(--sans); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button { font: inherit; color: inherit; }
h1, h2, h3, p, dl, dd, dt, figure, pre, ol, li { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
code, pre { font-family: var(--mono); }
.mono { font-family: var(--mono); }
.shell { width: 100%; max-width: var(--wide); margin-inline: auto; padding-inline: var(--gutter); }
.shell.narrow { max-width: 820px; }
.skip { position: absolute; left: 16px; top: -48px; z-index: 60; background: var(--paper); color: var(--paper-ink); padding: 8px 12px; border-radius: 6px; font-size: 14px; text-decoration: none; }
.skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--copper-text); outline-offset: 2px; }

/* ---------- buttons, pills, chips ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 16px; border-radius: 9px; border: 1px solid transparent; font: 500 14px/1.2 var(--sans); text-decoration: none; cursor: pointer; white-space: nowrap; transition: background-color .15s, border-color .15s, color .15s, transform .08s, filter .15s; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-primary { background: var(--grad); color: #21160C; font-weight: 600; box-shadow: 0 0 0 1px rgba(240, 168, 104, .25), 0 8px 22px -12px rgba(217, 136, 74, .7); }
.btn-primary:not(:disabled):hover { filter: brightness(1.06); }
.btn-outline { background: transparent; border-color: var(--glass-border); color: var(--text); }
.btn-outline:hover { border-color: var(--glass-border-hover); background: var(--glass); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); background: var(--raised); }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 14px 24px; font-size: 15px; border-radius: 10px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.icon-btn { display: inline-grid; place-items: center; background: transparent; border: 1px solid transparent; border-radius: 7px; color: var(--muted); padding: 5px 8px; font: 500 12px/1 var(--mono); cursor: pointer; transition: color .15s, background-color .15s, border-color .15s; }
.icon-btn:hover { color: var(--text); background: var(--raised); border-color: var(--glass-border); }
.pill { display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--glass-border); background: var(--glass); font: 500 12px/1.2 var(--mono); color: var(--muted); white-space: nowrap; min-width: 0; overflow: hidden; }
.pill span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); flex: none; }
.pill[data-mode="live"] { color: var(--text); }
.pill[data-mode="live"] .pill-dot { background: var(--verdigris); box-shadow: 0 0 8px rgba(95, 179, 161, .8); animation: pulse 2.6s ease-in-out infinite; }
.pill[data-mode="budget"] .pill-dot { background: var(--amber); }
.pill[data-mode="off"] .pill-dot { background: var(--signal); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.chip { padding: 5px 11px; border-radius: 999px; border: 1px solid var(--glass-border); background: var(--glass); font-size: 12px; color: var(--muted); }
.eyebrow { font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper-text); margin-bottom: 14px; }
.paper-band .eyebrow { color: var(--copper-print); }

/* ---------- header ---------- */
.site { position: sticky; top: 0; z-index: 40; background: rgba(21, 28, 44, .84); backdrop-filter: blur(14px); border-bottom: 1px solid var(--hair); }
.nav { display: flex; align-items: center; gap: 20px; height: 66px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 600; letter-spacing: -.01em; }
.mark svg { width: 28px; height: 28px; display: block; }
.mark rect:first-child { fill: var(--copper); }
.mark g rect { fill: var(--ink); }
.nav-links { display: flex; gap: 20px; margin-left: 12px; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; transition: color .15s; }
.nav-links a:hover { color: var(--text); }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: 12px; min-width: 0; }

/* ---------- hero ---------- */
.hero { padding: 64px 0 40px; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: -10% 0 30%; background: radial-gradient(48% 60% at 26% 16%, rgba(217, 136, 74, .14), transparent 70%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 56px; align-items: start; position: relative; }
.hero h1 { font-size: clamp(36px, 4.8vw, 58px); line-height: 1.03; letter-spacing: -.028em; font-weight: 600; }
.hero h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { margin-top: 20px; font-size: 16.5px; color: var(--muted); max-width: 58ch; }

.paste-card { border: 1px solid var(--glass-border); border-radius: 16px; background: linear-gradient(180deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02)); padding: 18px; box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .9), inset 0 1px 0 var(--glass-hi); }
.paste-k { display: block; font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper-text); margin-bottom: 10px; }
#paste { width: 100%; background: rgba(0, 0, 0, .28); border: 1px solid var(--glass-border); border-radius: 10px; color: var(--text); font: 400 13px/1.6 var(--mono); padding: 12px 14px; resize: vertical; min-height: 132px; }
#paste:focus { outline: none; border-color: var(--copper); }
#paste::placeholder { color: rgba(152, 162, 173, .55); }
.paste-foot { display: flex; align-items: center; gap: 12px; margin-top: 12px; }
.paste-count { font-size: 11.5px; color: var(--muted); }
.paste-foot .btn { margin-left: auto; }
.paste-err { margin-top: 10px; font-size: 12.5px; color: var(--signal-text); }
.paste-note { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--hair); font-size: 12px; color: var(--muted); }
.starter-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.starter { text-align: left; padding: 8px 12px; border-radius: 9px; border: 1px solid var(--glass-border); background: var(--glass); font: 500 12.5px/1.3 var(--sans); color: var(--text); cursor: pointer; transition: border-color .15s, background-color .15s; }
.starter:hover { border-color: var(--copper); background: rgba(217, 136, 74, .09); }
.starter i { display: block; font: 400 10.5px/1.3 var(--mono); font-style: normal; color: var(--muted); margin-top: 3px; }

/* ---------- the app ---------- */
.work-band { padding: 12px 0 80px; }
.app { border: 1px solid var(--glass-border); border-radius: 16px; overflow: hidden; background: var(--sheet); box-shadow: 0 40px 90px -50px rgba(0, 0, 0, .95); }
.app-bar { display: flex; align-items: center; gap: 16px; padding: 12px 16px; background: var(--paper); border-bottom: 1px solid var(--paper-hair); flex-wrap: wrap; }
.app-title { display: flex; align-items: center; gap: 11px; min-width: 0; }
.app-dot { width: 9px; height: 9px; border-radius: 50%; background: #B9B2A2; flex: none; transition: background-color .2s, box-shadow .2s; }
.app-dot[data-state="ready"] { background: var(--verdigris-print); }
.app-dot[data-state="running"] { background: var(--copper-print); box-shadow: 0 0 0 4px rgba(154, 83, 32, .16); animation: pulse 1s ease-in-out infinite; }
.app-dot[data-state="error"] { background: var(--signal-print); }
.app-title h2 { font-size: 16px; font-weight: 600; letter-spacing: -.015em; color: var(--paper-ink); }
.app-sub { font-size: 11px; color: var(--paper-muted); }
.viewers { display: flex; align-items: center; gap: -6px; }
.viewer { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font: 600 10px/1 var(--mono); color: #fff; border: 2px solid var(--paper); margin-left: -6px; }
.viewer:first-child { margin-left: 0; }
.app-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.app-actions .btn-ghost { color: var(--paper-muted); }
.app-actions .btn-ghost:hover { color: var(--paper-ink); background: rgba(0, 0, 0, .05); }
.app-actions .btn-outline { border-color: var(--paper-hair); color: var(--paper-ink); }
.app-actions .btn-outline:hover { background: rgba(0, 0, 0, .04); border-color: #C9C2B2; }
.meter { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--paper-muted); padding-right: 6px; }
.meter b { color: var(--paper-ink); font-weight: 600; }
.meter i { color: var(--paper-hair); font-style: normal; }

/* ---------- the sheet ---------- */
.sheet-wrap { overflow: auto; max-height: 620px; background: var(--sheet); scrollbar-width: thin; }
.sheet { display: grid; min-width: max-content; position: relative; }
.sheet-empty { padding: 44px 20px; text-align: center; color: var(--paper-muted); font-size: 14px; }
.hd, .rn, .cl { border-right: 1px solid var(--paper-hair-soft); border-bottom: 1px solid var(--paper-hair-soft); min-width: 0; }
.hd { position: sticky; top: 0; z-index: 3; background: var(--sheet-head); padding: 9px 11px; cursor: pointer; text-align: left; font: inherit; border-top: 0; border-left: 0; display: block; }
.hd:hover { background: #EBE6DA; }
.hd-top { display: flex; align-items: center; gap: 7px; }
.hd-l { font: 600 10px/1 var(--mono); color: var(--copper-print); background: rgba(154, 83, 32, .11); border-radius: 4px; padding: 3px 5px; }
.hd-ic { width: 15px; height: 15px; color: var(--paper-muted); flex: none; }
.hd-ic svg { width: 15px; height: 15px; display: block; }
.hd[data-ai="1"] .hd-ic { color: var(--copper-print); }
.hd-name { display: block; font-size: 12.5px; font-weight: 600; color: var(--paper-ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hd-sub { display: block; font: 400 10px/1.35 var(--mono); color: var(--paper-muted); margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rn { position: sticky; left: 0; z-index: 2; background: var(--sheet-head); color: var(--paper-muted); font: 400 10.5px/1 var(--mono); display: grid; place-items: center; padding: 6px 4px; }
.hd.corner { position: sticky; left: 0; top: 0; z-index: 4; cursor: default; }
.cl { padding: 8px 11px; font-size: 12.5px; line-height: 1.45; color: var(--paper-ink); background: var(--sheet); cursor: pointer; overflow: hidden; position: relative; }
.cl:hover { background: #F6F2E8; }
.cl .txt { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; word-break: break-word; }
.cl[data-t="seed"] .txt, .cl[data-t="fetch"] .txt { color: var(--paper-muted); }
.cl[data-t="score"] { font-family: var(--mono); font-weight: 500; }
.cl[data-t="formula"] { font-family: var(--mono); font-size: 11.5px; }
.cl[data-s="empty"]::after { content: ""; position: absolute; left: 11px; top: 13px; width: 12px; height: 2px; border-radius: 2px; background: var(--paper-hair); }
.cl[data-s="queued"] { background: repeating-linear-gradient(115deg, #F7F3E9, #F7F3E9 8px, #F2EDE1 8px, #F2EDE1 16px); }
.cl[data-s="running"] { background: rgba(217, 136, 74, .12); box-shadow: inset 0 0 0 1px rgba(154, 83, 32, .3); }
.cl[data-s="running"]::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .65), transparent); transform: translateX(-100%); animation: sweep 1.1s ease-in-out infinite; }
@keyframes sweep { to { transform: translateX(100%); } }
.cl[data-s="error"] { background: rgba(229, 72, 77, .07); color: var(--signal-print); font-size: 11.5px; }
.cl.unsure { background: rgba(224, 166, 75, .13); }
.cl.is-sel { box-shadow: inset 0 0 0 2px var(--copper); z-index: 1; }
.score-bar { position: absolute; left: 0; bottom: 0; height: 3px; background: var(--copper); opacity: .55; }
.add-col { position: sticky; top: 0; z-index: 3; background: var(--sheet-head); border-bottom: 1px solid var(--paper-hair-soft); display: grid; place-items: center; cursor: pointer; color: var(--paper-muted); border-right: 0; }
.add-col:hover { background: #EBE6DA; color: var(--copper-print); }
.add-col svg { width: 16px; height: 16px; }
.pad, .fill { background: var(--sheet); border-bottom: 1px solid var(--paper-hair-soft); }
.hd.fill { background: var(--sheet-head); cursor: default; }

.app-foot { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--paper); border-top: 1px solid var(--paper-hair); flex-wrap: wrap; }
.app-foot p { font-size: 11px; color: var(--paper-muted); }
.app-foot-right { margin-left: auto; display: flex; gap: 6px; }
.app-foot .btn-ghost { color: var(--paper-muted); }
.app-foot .btn-ghost:hover { color: var(--paper-ink); background: rgba(0, 0, 0, .05); }

/* ---------- drawer (a cell's working) ---------- */
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(430px, 100%); z-index: 55; background: #1A2233; border-left: 1px solid var(--glass-border); box-shadow: -30px 0 70px -30px rgba(0, 0, 0, .9); display: flex; flex-direction: column; transform: translateX(100%); transition: transform .25s var(--ease); }
.drawer.is-open { transform: none; }
.drawer-head { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--hair); }
.drawer-head h3 { font-size: 14px; font-weight: 600; }
.drawer-head .icon-btn { margin-left: auto; }
.drawer-body { padding: 16px 18px 24px; overflow-y: auto; scrollbar-width: thin; }
.dr-k { font: 500 10px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--copper-text); margin: 18px 0 8px; }
.dr-k:first-child { margin-top: 0; }
.dr-v { font-size: 13.5px; line-height: 1.6; color: var(--text); word-break: break-word; }
.dr-v.mono { font-size: 12px; }
.dr-box { background: rgba(0, 0, 0, .3); border: 1px solid var(--hair); border-radius: 9px; padding: 10px 12px; font: 400 12px/1.6 var(--mono); color: #C8D2DC; white-space: pre-wrap; word-break: break-word; max-height: 260px; overflow: auto; }
.dr-facts { display: flex; flex-wrap: wrap; gap: 8px; }
.fact { border: 1px solid var(--glass-border); border-radius: 999px; padding: 5px 11px; font: 500 11px/1 var(--mono); color: var(--muted); }
.fact b { color: var(--text); font-weight: 500; }
.fact.free { color: var(--verdigris); border-color: rgba(95, 179, 161, .4); }
.fact.warn { color: var(--amber); border-color: rgba(224, 166, 75, .4); }
.dr-actions { display: flex; gap: 8px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--hair); }

/* ---------- column editor ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > label, .field-k { font: 500 10.5px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.input, select.input, textarea.input { width: 100%; background: rgba(0, 0, 0, .28); border: 1px solid var(--glass-border); border-radius: 8px; padding: 9px 11px; color: var(--text); font: 400 13px/1.5 var(--sans); }
textarea.input { font-family: var(--mono); font-size: 12.5px; resize: vertical; min-height: 76px; }
.input:focus { outline: none; border-color: var(--copper); }
.hintline { font-size: 11.5px; line-height: 1.55; color: rgba(152, 162, 173, .85); }
.hintline code { color: var(--copper-text); }
.type-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.type { text-align: left; padding: 13px 14px; border-radius: 11px; border: 1px solid var(--glass-border); background: var(--glass); cursor: pointer; transition: border-color .15s, background-color .15s; }
.type:hover { border-color: var(--copper); background: rgba(217, 136, 74, .07); }
.type-top { display: flex; align-items: center; gap: 9px; }
.type-top svg { width: 15px; height: 15px; color: var(--copper-text); }
.type h4 { margin: 0; font-size: 13.5px; font-weight: 600; }
.type .free { margin-left: auto; font: 500 9.5px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--verdigris); border: 1px solid rgba(95, 179, 161, .4); border-radius: 999px; padding: 3px 6px; }
.type p { margin-top: 7px; font-size: 12px; line-height: 1.5; color: var(--muted); }
.editor-foot { display: flex; gap: 8px; align-items: center; margin-top: 6px; padding-top: 14px; border-top: 1px solid var(--hair); }
.editor-foot .danger { margin-left: auto; color: var(--signal-text); }

/* ---------- bands ---------- */
.dark-band { padding: 88px 0; border-top: 1px solid var(--hair); }
.paper-band { background: var(--paper); color: var(--paper-ink); padding: 88px 0; }
.paper-band.tight { padding-top: 0; }
.band-h { font-size: clamp(26px, 3.4vw, 38px); line-height: 1.1; letter-spacing: -.02em; font-weight: 600; max-width: 24ch; }
.band-lede { margin-top: 16px; color: var(--muted); max-width: 64ch; font-size: 16px; }
.paper-band .band-lede { color: var(--paper-muted); }

.kinds { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 40px; }
.kind { padding: 16px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass); }
.kind-top { display: flex; align-items: center; gap: 9px; }
.kind-top svg { width: 15px; height: 15px; color: var(--muted); }
.kind[data-ai="1"] .kind-top svg { color: var(--copper-text); }
.kind h3 { font-size: 13.5px; font-weight: 600; }
.kind .tag { margin-left: auto; font: 500 9px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 3px 6px; border-radius: 999px; border: 1px solid rgba(95, 179, 161, .4); color: var(--verdigris); }
.kind[data-ai="1"] .tag { border-color: rgba(240, 168, 104, .4); color: var(--copper-text); }
.kind p { margin-top: 9px; font-size: 12.5px; line-height: 1.55; color: var(--muted); }

.rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 44px; padding-top: 36px; border-top: 1px solid var(--hair); }
.rule h3 { font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.rule p { margin-top: 9px; font-size: 13.5px; line-height: 1.65; color: var(--muted); }
.rule code { color: var(--copper-text); font-size: 12px; }

.cost-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .85fr); gap: 48px; margin-top: 38px; align-items: start; }
.cost-text p { font-size: 15.5px; line-height: 1.7; color: var(--paper-muted); }
.cost-text p + p { margin-top: 14px; }
.cost-card { background: var(--sheet); border: 1px solid var(--paper-hair); border-radius: 14px; padding: 22px; }
.cost-k { font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--copper-print); }
.measured { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.measured li { font-size: 14px; color: var(--paper-muted); line-height: 1.5; }
.measured b { color: var(--paper-ink); font-weight: 600; font-family: var(--mono); font-size: 13px; margin-right: 6px; }
.cost-note { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--paper-hair); font-size: 12.5px; line-height: 1.6; color: var(--paper-muted); }

.built-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 52px; margin-top: 40px; align-items: start; }
.arch svg { width: 100%; height: auto; display: block; }
.built-text p { font-size: 15px; color: var(--muted); line-height: 1.7; }
.built-text p + p { margin-top: 14px; }
.built-text b { color: var(--text); font-weight: 600; }
.built-text code { color: var(--copper-text); font-size: 13px; }
.spec { margin-top: 22px; border-top: 1px solid var(--hair); }
.spec > div { display: grid; grid-template-columns: 100px minmax(0, 1fr); gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--hair); }
.spec dt { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--copper-text); padding-top: 2px; }
.spec dd { font-size: 14px; color: var(--text); }
.for-client { margin-top: 24px; padding: 16px 18px; background: rgba(217, 136, 74, .08); border-left: 2px solid var(--copper); border-radius: 0 8px 8px 0; font-size: 14px !important; }
.for-client b { color: var(--text); }

.faq { margin-top: 32px; border-top: 1px solid var(--paper-hair); }
.faq details { border-bottom: 1px solid var(--paper-hair); }
.faq summary { padding: 18px 0; font-size: 16px; font-weight: 500; cursor: pointer; list-style: none; display: flex; align-items: center; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; margin-left: auto; color: var(--copper-print); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { padding: 0 0 20px; font-size: 14.5px; color: var(--paper-muted); line-height: 1.7; max-width: 70ch; }

.cta-band { padding: 76px 0; }
.cta { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 36px; align-items: center; }
.cta h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 600; letter-spacing: -.02em; }
.cta p { margin-top: 12px; color: var(--muted); max-width: 62ch; }
.site-foot { border-top: 1px solid var(--hair); padding: 26px 0; }
.foot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--muted); }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- modal + toast ---------- */
.modal { position: fixed; inset: 0; z-index: 60; background: rgba(10, 14, 22, .74); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 24px; }
.modal-card { width: min(700px, 100%); max-height: 88vh; overflow: auto; background: #1A2233; border: 1px solid var(--glass-border); border-radius: 16px; box-shadow: 0 40px 90px -30px rgba(0, 0, 0, .9); }
.modal-head { display: flex; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--hair); }
.modal-head h2 { font-size: 16px; font-weight: 600; }
.modal-head .icon-btn { margin-left: auto; font-size: 15px; }
.modal-body { padding: 20px 22px 24px; }
.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(8px); z-index: 70; background: #1B2334; border: 1px solid var(--glass-border); border-radius: 10px; padding: 10px 16px; font-size: 13px; box-shadow: 0 20px 40px -18px rgba(0, 0, 0, .9); opacity: 0; transition: opacity .2s, transform .2s var(--ease); max-width: min(520px, 90vw); }
.toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast[data-kind="bad"] { border-color: rgba(229, 72, 77, .5); color: var(--signal-text); }

/* ---------- reveals ---------- */
.rv { opacity: 0; transform: translateY(14px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .kinds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rules { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding-top: 48px; }
  .cost-grid, .built-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta { grid-template-columns: 1fr; }
  .type-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  :root { --gutter: 16px; }
  .dark-band, .paper-band { padding: 60px 0; }
  .kinds { grid-template-columns: 1fr; }
  .app-bar { padding: 12px; }
  .app-actions { margin-left: 0; width: 100%; flex-wrap: wrap; }
  .app-actions .btn:last-child { margin-left: auto; }
  .meter { order: 3; width: 100%; padding: 0; }
  .sheet-wrap { max-height: 460px; }
  .nav-right .btn { display: none; }
  .drawer { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .rv { opacity: 1; transform: none; }
}